Which invention impacted society by increasing labor hours and manufacturing at night time

"<the standard hours allowed for the actual units of finished outpu> × <the standard fixed manufacturing overhead rate per direct labor hour>."

Explanation:

i don't see how you want other people to do your work for you and it is like you are just handing your assignment to anybody else and having them deal with it instead of your self i thought this site was for asking questions and somebody could you on it not just handing your work to somebody else to deal with it just saying don't mean to be mean just proving a fact.

explanation:

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned